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Preservation of Food — Chapter Summary

NIOS · Class 10 · Home Science

Summary of Preservation of Food for NIOS Class 10 Home Science. Key concepts: Food is said to be spoilt, Micro and Enzymes are chemical.

45 questions34 flashcards3 formulas & key relations5 concepts

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Overview

Preservation of food is the process of preventing food from getting spoilt for a short or long period while keeping its colour, taste, and nutritive value as far as possible. Food spoilage happens when food changes colour, gives a bad smell, shows fermentation bubbles, develops mould, or forms soft

Key Concepts

Food is said to be spoilt

Food is said to be spoilt when it changes colour, gives off a bad smell, shows fermentation with bubbles, develops mould, or forms soft brown spots on

Micro

Micro-organisms are very small organisms present in air, water, and food. They grow in conditions of moisture, warmth, low salt, low sugar, and low ac

Enzymes are chemical substances found

Enzymes are chemical substances found in all plants and animals. They help fruits and vegetables to ripen, but continued action after ripening causes

Shelf life is the time

Shelf life is the time for which food can be kept fresh. It is also called the stability of food during storage. Foods are grouped as non-perishable,

Food preservation means preventing food from

Food preservation means preventing food from spoiling for a short or long period by avoiding contamination or stopping enzymatic and chemical changes.

Learning Objectives

  • Understand food spoilage and food storage
  • Classify foods according to shelf life
  • Define food preservation and explain its importance
  • Explain the main causes of food spoilage
  • Describe the principles of food preservation

Frequently Asked Questions

What are the important topics in Preservation of Food for NIOS Class 10 Home Science?
Key topics in Preservation of Food include Food Spoilage and Shelf Life, Principles and Methods of Food Preservation, Preservatives and Dehydration, Hygiene and Safe Handling of Stored Food. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Preservation of Food for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Preservation of Food. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Preservation of Food

All NIOS Class 10 Home Science Chapter Summary

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